<template>
  <div class="goodsinfo-container">

      <transition
      @before-enter="beforeEnter"
      @enter="enter"
      @after-enter="afterEnter">
            <div class="ball" v-show="ballFlag" ref="ball"></div>
      </transition>

      <!-- 商品轮播图区域 -->
      <div class="mui-card">
          <div class="mui-card-content">
              <div class="mui-card-content-inner">
                  <swiper :lunbotuList="lunbotu" :isfull="false"></swiper>
              </div>
          </div>
      </div>


      <!-- 商品购买区域 -->
      <div class="mui-card">
          <div class="mui-card-header">{{goodsinfo.title}}</div>
          <div class="mui-card-content">
              <div class='mui-card-content-inner'>
                  <p class="price">
                      市场价:<del>￥{{goodsinfo.market_price}} </del>&nbsp; &nbsp; 销售价<span class="now_price">￥{{goodsinfo.sell_price}}</span>
                  </p>
                  <p>
                      购买数量：
                      <numbox @getcount='getSelectedCount' :max='goodsinfo.stock_quantity'>
                      </numbox>
                  </p>
                  <p>
                      <mt-button type='primary' size='small'>
                          立即购买
                      </mt-button>
                      <mt-button type='danger' size='small' @click="addToShopCar">
                          加入购物车
                      </mt-button>
                  </p>
              </div>
          </div>
      </div>

      <!-- 商品参数区域 -->
    <div class="mui-card">
      <div class="mui-card-header">商品参数</div>
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <p>商品货号：{{ goodsinfo.goods_no }}</p>
          <p>库存情况：{{ goodsinfo.stock_quantity }}件</p>
          <p>上架时间：{{ goodsinfo.add_time | dateFormat }}</p>
        </div>
      </div>
      <div class="mui-card-footer">
        <mt-button type="primary" size="large" plain @click="goDesc(id)">图文介绍</mt-button>
        <mt-button type="danger" size="large" plain @click="goComment(id)">商品评论</mt-button>
      </div>
    </div>
  </div>
</template>
<script>
// import {Toast} from 'mint-ui'
import swiper from '../subcomponents/swiper.vue'
import numbox from '../subcomponents/goodsinfo_numbox.vue'
export default {
    name: "",
    data() {
        return {
            id: this.$route.params.id,
            lunbotu:[],
            goodsinfo: {},
            selectedCount: 1,
            ballFlag: false,
            selectedCount: 1
        }
    },
    created() {
        // Toast('aaa');
        this.getLunbotu()
        this.getGoodsInfo()
    },
    methods: {
        getLunbotu() {
          // 获取轮播图数据的方法
          this.$http.get(this.$api + "/lunbotu").then(res => {
            console.log(res.data)
            if (res.data.status === 0) {
              // 成功了
              this.lunbotu = res.data.message;
            } else {
              // 失败的
              Toast("加载轮播图失败。。。");
            }
          });
      },
      getGoodsInfo() {
          // 获取商品信息
          this.$http.get(this.$api + '/goods/goodsDetail').then(res =>{
              console.log(res)
              this.goodsinfo = res.data.message
          })
      },
      getSelectedCount(count){
          this.getSelectedCount = count;
          console.log('父组件拿到的数量值为： ' + this.getSelectedCount);
      },
      goDesc(id){
          this.$router.push({name: 'goodsDesc', params: { id } })
      },
      goComment(id) {
          this.$router.push({ name: 'goodsComment', params: { id } })
      },
      addToShopCar() {
          // debugger
          this.ballFlag = !this.ballFlag

          var goodsinfo = {
              id: this.id,
              count: this.selectedCount,
              price: this.goodsinfo.sell_price,
              selected: true
          };
          this.$store.commit("addToCar", goodsinfo);
      },
      beforeEnter(el) {
          el.style.transform = 'translate(0,0)';
      },
      enter(el, done) {
          el.offsetWidth;
          // el.style.transform = 'translate(93px,230px)';
          const ballPosition = this.$refs.ball.getBoundingClientRect();
          const badgePosition = document.getElementById("badge")
            .getBoundingClientRect();
        const xDist = badgePosition.left - ballPosition.left
        const yDist = badgePosition.top - ballPosition.top
        el.style.transform = `translate(${xDist}px, ${yDist}px)`;
          el.style.transition = "all 0.5s cubic-bezier(.4,-0.3,1,.68)";
          done();
      },
      afterEnter(el) {
          this.ballFlag = !this.ballFlag
      },
      getSelectedCount(count) {
          this.selectedCount = count
          console.log("父组件拿到的数量值： " + this.selectedCount)
      }
    },
    components: {
      swiper,
      numbox
    }
}
</script>
<style lang="scss" scoped>
.goodsinfo-container {
    background-color: #eee;
    overflow: hidden;

    .now_price {
        color: red;
        font-style: 16px;
        font-weight: bold;
    }

    .mui-card-footer {
        display: block;
        button {
            margin: 15px 0;
        }
    }
}
.mui-card:nth-child(1) .mui-card-content-inner {
    padding: 0;
}
.ball {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: red;
    position: absolute;
    z-index: 99;
    top: 390px;
    left: 146px;
}
</style>
